Questions from Crime and Investigation

Q: What phenomenon underlies many of the new chemical techniques used to visualize

What phenomenon underlies many of the new chemical techniques used to visualize latent fingerprints? Why is this phenomenon so valuable in fingerprint visualization?

Q: When should a fingerprint be “lifted” from a crime scene

When should a fingerprint be “lifted” from a crime scene? Describe how to lift and preserve a fingerprint using adhesive tape.

Q: What is digital imaging and how is it used in fingerprint analysis

What is digital imaging and how is it used in fingerprint analysis? What is the greatest limitation to digital imaging?

Q: What major advance in fingerprint technology was pioneered by Juan Vucetich and

What major advance in fingerprint technology was pioneered by Juan Vucetich and Sir Richard Henry? What was the importance of this advance?

Q: What aspect of a fingerprint determines its individuality?

What aspect of a fingerprint determines its individuality?

Q: What is the dermal papillae and why is it important in fingerprinting

What is the dermal papillae and why is it important in fingerprinting?

Q: Why is it almost impossible to obscure one’s fingerprints by surgery or

Why is it almost impossible to obscure one’s fingerprints by surgery or mutilation?

Q: Describe each of the three classes of fingerprints. Which class is

Describe each of the three classes of fingerprints. Which class is the most common in the population? Which is least common?

Q: What aspect of a fingerprint forms the basis for primary classification under

What aspect of a fingerprint forms the basis for primary classification under the FBI system? What is the main drawback of the FBI system?

Q: An accident investigator arrives at the scene of a hit-and

An accident investigator arrives at the scene of a hit-and- run collision. The driver who remained at the scene reports that the windshield or a side window of the car that struck him shattered on imp...